نتایج جستجو برای: nutrient content and higher fertility value

تعداد نتایج: 16970182  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سمنان - دانشکده مهندسی موادو متالورژی 1393

the aim of this paper is eliminating cr(vi) by natural hap. hap is a inexpensive material which is used from bovine critical bone ash in order to remove heavy metal ions like cr(vi). some experiments in different ph are performed (ph=2,3,7). maximum adsorption was appeared at ph=2, dosage=0.3 gr, c0=10 mg/l. cr(vi) removal depends on ph value and initial amount of cr(vi) result of experiments w...

D. Ajdari, G. Zarshenas, H. Y. Yeong, J. Sohrabipour, P. E. Lim, R. Rabiei, S. M. Phang,

The rapid growth of aquaculture is accompanied by increased discharge of nutrient-rich wastewaters into rivers and coastal waters leading to eutrophication and deterioration of water quality. Seaweeds are suitable candidates to reduce dissolved inorganic nutrient concentration discharged through aquaculture effluent, and can improve water quality and allow for sustainable aquaculture. In this s...

2010

The nutrient and anti nutrient composition of some standardized sweet potato dishes in Kwara state was determined using official methods of analysis. The indigenous sweet potato dishes analysed included pounded sweet potato/yam; sweet potato leaf soup; boiled sweet potato; fried sweet potatoes and sweet potato/ beans pottage. There were significant differences (p < 0.05) for moisture content wh...

Journal: :Agronomy 2022

The irrational use of nitrogen (N) fertilizer has become a major threat to soil quality and food security, resulting in serious ecological environmental problems. Holistic approaches N application are required maintain high utilization efficiency (NUE) sustainable agriculture development. Biochar is an efficient carbon-rich material for amending promoting crop uptake, but knowledge pertaining t...

2007
Carlos M. Duarte

Data on nutrient contents of 27 seagrass species at 30 locations were compiled from the literature. Mean (f SE) concentrations of carbon, nitrogen and phosphorus in seagrass leaves were 33.6 2 0.31, 1.92 f 0.05, and 0.23 2 0.011 % dry wt, respectively. The median C:N:P ratio was 474 :24: 1, which represents a C:P ratio more than 4 times, and a N:P ratio more than 1.5 times that of oceanic sesto...

2005
MATTHEW A. BOWKER JAYNE BELNAP DIANE W. DAVIDSON SUSAN L. PHILLIPS

Desertification is a global problem, costly to national economies and human societies. Restoration of biological soil crusts (BSCs) may have an important role to play in the reversal of desertification due to their ability to decrease erosion and enhance soil fertility. To determine if there is evidence that lower fertility may hinder BSC recolonization, we investigated the hypothesis that BSC ...

D. Ajdari G. Zarshenas H. Y. Yeong J. Sohrabipour P. E. Lim R. Rabiei, S. M. Phang

The rapid growth of aquaculture is accompanied by increased discharge of nutrient-rich wastewaters into rivers and coastal waters leading to eutrophication and deterioration of water quality. Seaweeds are suitable candidates to reduce dissolved inorganic nutrient concentration discharged through aquaculture effluent, and can improve water quality and allow for sustainable aquaculture. In this s...

Journal: :East African journal of science, technology and innovation 2021

Maize is a strategic staple crop serving both as human food and feed in the livestock sector. It therefore has critical socioeconomic value safeguarding against nutrition insecurity. yields are however low especially among smallholder farmers who rely on this for their livelihood sustenance. This rendered most Sub-Saharan Africa countries such Kenya to be net importers depended aid mainly form ...

Journal: :CoRR 2012
Jay Gholap

Data mining involves the systematic analysis of large data sets , and data mining in agricultural soil datasets is exciting and modern research area. The productive capacity of a soil depends on soil fertility. Achieving and maintaining appropriate levels of soil fertility, is of utmost importance if agricultural land is to remain capable of nourishing crop production. In this research, Steps f...

2001
VIRGINIA WORTHINGTON

Objectives: To survey existing literature comparing nutrient content of organic and conventional crops using statistical methods to identify significant differences and trends in the data. Design: Published comparative measurements of organic and conventional nutrient content were entered into a database for calculation. For each organic-to-conventional comparison, a percent difference was calc...

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